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List five ways to cut down on energy loss in the home.
What is the equation for pay back time?
What is cavity wall insulation?
What does it protect against?
What is loft insulation?
What does it protect against?
What is draught-proofing?
What does it protect against?
What is a hot water tank jacket?
What does it protect against?
What are U-values?
What does a higher U-value mean?
The better the insulator...
